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panic切换页面

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Leonmmcoset
2026-04-21 21:33:51 +08:00
parent a25362d3d4
commit 3eba641be3
1 changed files with 195 additions and 87 deletions
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232
clks/kernel/core/panic.c
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@@ -14,7 +14,9 @@
#define CLKS_PANIC_STACK_WINDOW_BYTES (128ULL * 1024ULL)
#define CLKS_PANIC_SYMBOL_FILE "/system/kernel.sym"
#define CLKS_PANIC_KERNEL_ADDR_BASE 0xFFFF800000000000ULL
#define CLKS_PANIC_QR_HINT "\nPress SPACE to display panic log QR.\n"
#define CLKS_PANIC_QR_HINT "\nPress SPACE to toggle panic log QR.\n"
#define CLKS_PANIC_REASON_MAX 192U
#define CLKS_PANIC_NAME_MAX 64U
#define CLKS_PANIC_PS2_DATA_PORT 0x60U
#define CLKS_PANIC_PS2_STATUS_PORT 0x64U
@@ -37,6 +39,38 @@ static clks_bool clks_panic_symbols_checked = CLKS_FALSE;
static const char *clks_panic_symbols_data = CLKS_NULL;
static u64 clks_panic_symbols_size = 0ULL;
enum clks_panic_screen_kind {
CLKS_PANIC_SCREEN_NONE = 0,
CLKS_PANIC_SCREEN_REASON = 1,
CLKS_PANIC_SCREEN_EXCEPTION = 2
};
struct clks_panic_screen_snapshot {
enum clks_panic_screen_kind kind;
char reason[CLKS_PANIC_REASON_MAX];
char name[CLKS_PANIC_NAME_MAX];
u64 vector;
u64 error_code;
u64 rip;
u64 rbp;
u64 rsp;
clks_bool has_reason;
clks_bool has_name;
};
static struct clks_panic_screen_snapshot clks_panic_screen = {
CLKS_PANIC_SCREEN_NONE,
{0},
{0},
0ULL,
0ULL,
0ULL,
0ULL,
0ULL,
CLKS_FALSE,
CLKS_FALSE
};
static inline void clks_panic_disable_interrupts(void) {
#if defined(CLKS_ARCH_X86_64)
__asm__ volatile("cli");
@@ -457,7 +491,7 @@ static clks_bool clks_panic_lookup_symbol(u64 addr, const char **out_name, usize
return CLKS_TRUE;
}
static void clks_panic_emit_bt_entry(struct clks_panic_console *console, u32 index, u64 rip) {
static void clks_panic_emit_bt_entry(struct clks_panic_console *console, u32 index, u64 rip, clks_bool serial_enabled) {
char index_dec[12];
char rip_hex[19];
const char *sym_name = CLKS_NULL;
@@ -471,6 +505,7 @@ static void clks_panic_emit_bt_entry(struct clks_panic_console *console, u32 ind
clks_panic_u64_to_hex(rip, rip_hex);
has_symbol = clks_panic_lookup_symbol(rip, &sym_name, &sym_name_len, &sym_base, &sym_source, &sym_source_len);
if (serial_enabled == CLKS_TRUE) {
clks_serial_write("[PANIC][BT] #");
clks_serial_write(index_dec);
clks_serial_write(" ");
@@ -493,6 +528,7 @@ static void clks_panic_emit_bt_entry(struct clks_panic_console *console, u32 ind
}
clks_serial_write("\n");
}
if (console == CLKS_NULL) {
return;
@@ -538,7 +574,8 @@ static clks_bool clks_panic_stack_ptr_valid(u64 ptr, u64 stack_low, u64 stack_hi
return CLKS_TRUE;
}
static void clks_panic_emit_backtrace(struct clks_panic_console *console, u64 rip, u64 rbp, u64 rsp) {
static void clks_panic_emit_backtrace(struct clks_panic_console *console, u64 rip, u64 rbp, u64 rsp,
clks_bool serial_enabled) {
u64 current_rbp;
u64 stack_low;
u64 stack_high;
@@ -548,17 +585,21 @@ static void clks_panic_emit_backtrace(struct clks_panic_console *console, u64 ri
return;
}
if (serial_enabled == CLKS_TRUE) {
clks_panic_serial_write_line("[PANIC][BT] BEGIN");
}
if (console != CLKS_NULL) {
clks_panic_console_write(console, "\nBACKTRACE:\n");
}
clks_panic_emit_bt_entry(console, frame, rip);
clks_panic_emit_bt_entry(console, frame, rip, serial_enabled);
frame++;
if (rbp == 0ULL || rsp == 0ULL || frame >= CLKS_PANIC_BACKTRACE_MAX) {
if (serial_enabled == CLKS_TRUE) {
clks_panic_serial_write_line("[PANIC][BT] END");
}
return;
}
@@ -566,7 +607,9 @@ static void clks_panic_emit_backtrace(struct clks_panic_console *console, u64 ri
stack_high = rsp + CLKS_PANIC_STACK_WINDOW_BYTES;
if (stack_high <= stack_low) {
if (serial_enabled == CLKS_TRUE) {
clks_panic_serial_write_line("[PANIC][BT] END");
}
return;
}
@@ -589,7 +632,7 @@ static void clks_panic_emit_backtrace(struct clks_panic_console *console, u64 ri
break;
}
clks_panic_emit_bt_entry(console, frame, ret_rip);
clks_panic_emit_bt_entry(console, frame, ret_rip, serial_enabled);
frame++;
if (next_rbp <= current_rbp) {
@@ -599,7 +642,9 @@ static void clks_panic_emit_backtrace(struct clks_panic_console *console, u64 ri
current_rbp = next_rbp;
}
if (serial_enabled == CLKS_TRUE) {
clks_panic_serial_write_line("[PANIC][BT] END");
}
}
static void clks_panic_capture_context(u64 *out_rip, u64 *out_rbp, u64 *out_rsp) {
@@ -630,17 +675,130 @@ static void clks_panic_capture_context(u64 *out_rip, u64 *out_rbp, u64 *out_rsp)
#endif
}
static void clks_panic_copy_text(char *dst, usize dst_size, const char *src) {
usize i = 0U;
if (dst == CLKS_NULL || dst_size == 0U) {
return;
}
if (src == CLKS_NULL) {
dst[0] = '\0';
return;
}
while (i + 1U < dst_size && src[i] != '\0') {
dst[i] = src[i];
i++;
}
dst[i] = '\0';
}
static void clks_panic_snapshot_reason(const char *reason, u64 rip, u64 rbp, u64 rsp) {
clks_panic_screen.kind = CLKS_PANIC_SCREEN_REASON;
clks_panic_screen.vector = 0ULL;
clks_panic_screen.error_code = 0ULL;
clks_panic_screen.rip = rip;
clks_panic_screen.rbp = rbp;
clks_panic_screen.rsp = rsp;
clks_panic_screen.has_name = CLKS_FALSE;
clks_panic_screen.name[0] = '\0';
if (reason != CLKS_NULL && reason[0] != '\0') {
clks_panic_copy_text(clks_panic_screen.reason, sizeof(clks_panic_screen.reason), reason);
clks_panic_screen.has_reason = CLKS_TRUE;
} else {
clks_panic_screen.reason[0] = '\0';
clks_panic_screen.has_reason = CLKS_FALSE;
}
}
static void clks_panic_snapshot_exception(const char *name, u64 vector, u64 error_code, u64 rip, u64 rbp, u64 rsp) {
clks_panic_screen.kind = CLKS_PANIC_SCREEN_EXCEPTION;
clks_panic_screen.vector = vector;
clks_panic_screen.error_code = error_code;
clks_panic_screen.rip = rip;
clks_panic_screen.rbp = rbp;
clks_panic_screen.rsp = rsp;
clks_panic_screen.has_reason = CLKS_FALSE;
clks_panic_screen.reason[0] = '\0';
if (name != CLKS_NULL && name[0] != '\0') {
clks_panic_copy_text(clks_panic_screen.name, sizeof(clks_panic_screen.name), name);
clks_panic_screen.has_name = CLKS_TRUE;
} else {
clks_panic_screen.name[0] = '\0';
clks_panic_screen.has_name = CLKS_FALSE;
}
}
static void clks_panic_render_snapshot_console(clks_bool serial_backtrace) {
struct clks_panic_console console;
char hex_buf[19];
if (clks_panic_console_init(&console) == CLKS_TRUE) {
clks_fb_clear(CLKS_PANIC_BG);
clks_panic_console_write(&console, "CLeonOS KERNEL PANIC\n");
clks_panic_console_write(&console, "====================\n\n");
if (clks_panic_screen.kind == CLKS_PANIC_SCREEN_EXCEPTION) {
clks_panic_console_write(&console, "TYPE: CPU EXCEPTION\n");
if (clks_panic_screen.has_name == CLKS_TRUE) {
clks_panic_console_write(&console, "NAME: ");
clks_panic_console_write(&console, clks_panic_screen.name);
clks_panic_console_write(&console, "\n");
}
clks_panic_u64_to_hex(clks_panic_screen.vector, hex_buf);
clks_panic_console_write(&console, "VECTOR: ");
clks_panic_console_write(&console, hex_buf);
clks_panic_console_write(&console, "\n");
clks_panic_u64_to_hex(clks_panic_screen.error_code, hex_buf);
clks_panic_console_write(&console, "ERROR: ");
clks_panic_console_write(&console, hex_buf);
clks_panic_console_write(&console, "\n");
clks_panic_u64_to_hex(clks_panic_screen.rip, hex_buf);
clks_panic_console_write(&console, "RIP: ");
clks_panic_console_write(&console, hex_buf);
clks_panic_console_write(&console, "\n");
} else if (clks_panic_screen.has_reason == CLKS_TRUE) {
clks_panic_console_write(&console, "REASON: ");
clks_panic_console_write(&console, clks_panic_screen.reason);
clks_panic_console_write(&console, "\n");
}
clks_panic_emit_backtrace(&console, clks_panic_screen.rip, clks_panic_screen.rbp, clks_panic_screen.rsp,
serial_backtrace);
clks_panic_console_write(&console, "\nSystem halted. Please reboot the computer.\n");
clks_panic_console_write(&console, CLKS_PANIC_QR_HINT);
} else {
clks_panic_emit_backtrace(CLKS_NULL, clks_panic_screen.rip, clks_panic_screen.rbp, clks_panic_screen.rsp,
serial_backtrace);
}
}
static CLKS_NORETURN void clks_panic_halt_loop(void) {
clks_bool space_down = CLKS_FALSE;
clks_bool qr_shown = CLKS_FALSE;
for (;;) {
if (clks_panic_poll_space_press(&space_down) == CLKS_TRUE && qr_shown == CLKS_FALSE) {
if (clks_panic_poll_space_press(&space_down) == CLKS_TRUE) {
if (qr_shown == CLKS_FALSE) {
if (clks_panic_qr_show() == CLKS_TRUE) {
qr_shown = CLKS_TRUE;
clks_panic_serial_write_line("[PANIC][QR] DISPLAYED");
} else {
clks_panic_serial_write_line("[PANIC][QR] PREPARE/SHOW FAILED");
}
} else {
clks_panic_render_snapshot_console(CLKS_FALSE);
qr_shown = CLKS_FALSE;
clks_panic_serial_write_line("[PANIC][QR] RETURNED TO PANIC PAGE");
}
}
clks_cpu_pause();
@@ -648,7 +806,6 @@ static CLKS_NORETURN void clks_panic_halt_loop(void) {
}
CLKS_NORETURN void clks_panic(const char *reason) {
struct clks_panic_console console;
u64 rip = 0ULL;
u64 rbp = 0ULL;
u64 rsp = 0ULL;
@@ -668,27 +825,11 @@ CLKS_NORETURN void clks_panic(const char *reason) {
clks_panic_serial_write_line(reason);
}
if (clks_panic_console_init(&console) == CLKS_TRUE) {
clks_fb_clear(CLKS_PANIC_BG);
clks_panic_console_write(&console, "CLeonOS KERNEL PANIC\n");
clks_panic_console_write(&console, "====================\n\n");
if (reason != CLKS_NULL) {
clks_panic_console_write(&console, "REASON: ");
clks_panic_console_write(&console, reason);
clks_panic_console_write(&console, "\n");
}
clks_panic_emit_backtrace(&console, rip, rbp, rsp);
clks_panic_console_write(&console, "\nSystem halted. Please reboot the computer.\n");
clks_panic_console_write(&console, CLKS_PANIC_QR_HINT);
} else {
clks_panic_emit_backtrace(CLKS_NULL, rip, rbp, rsp);
}
clks_panic_snapshot_reason(reason, rip, rbp, rsp);
clks_panic_render_snapshot_console(CLKS_TRUE);
if (clks_panic_qr_prepare() == CLKS_TRUE) {
clks_panic_serial_write_line("[PANIC][QR] READY (PRESS SPACE)");
clks_panic_serial_write_line("[PANIC][QR] READY (PRESS SPACE TO TOGGLE)");
} else {
clks_panic_serial_write_line("[PANIC][QR] NOT AVAILABLE");
}
@@ -697,7 +838,6 @@ CLKS_NORETURN void clks_panic(const char *reason) {
}
CLKS_NORETURN void clks_panic_exception(const char *name, u64 vector, u64 error_code, u64 rip, u64 rbp, u64 rsp) {
struct clks_panic_console console;
char hex_buf[19];
clks_panic_disable_interrupts();
@@ -721,43 +861,11 @@ CLKS_NORETURN void clks_panic_exception(const char *name, u64 vector, u64 error_
clks_panic_u64_to_hex(rip, hex_buf);
clks_panic_serial_write_line(hex_buf);
if (clks_panic_console_init(&console) == CLKS_TRUE) {
clks_fb_clear(CLKS_PANIC_BG);
clks_panic_console_write(&console, "CLeonOS KERNEL PANIC\n");
clks_panic_console_write(&console, "====================\n\n");
clks_panic_console_write(&console, "TYPE: CPU EXCEPTION\n");
if (name != CLKS_NULL) {
clks_panic_console_write(&console, "NAME: ");
clks_panic_console_write(&console, name);
clks_panic_console_write(&console, "\n");
}
clks_panic_u64_to_hex(vector, hex_buf);
clks_panic_console_write(&console, "VECTOR: ");
clks_panic_console_write(&console, hex_buf);
clks_panic_console_write(&console, "\n");
clks_panic_u64_to_hex(error_code, hex_buf);
clks_panic_console_write(&console, "ERROR: ");
clks_panic_console_write(&console, hex_buf);
clks_panic_console_write(&console, "\n");
clks_panic_u64_to_hex(rip, hex_buf);
clks_panic_console_write(&console, "RIP: ");
clks_panic_console_write(&console, hex_buf);
clks_panic_console_write(&console, "\n");
clks_panic_emit_backtrace(&console, rip, rbp, rsp);
clks_panic_console_write(&console, "\nSystem halted. Please reboot the computer.\n");
clks_panic_console_write(&console, CLKS_PANIC_QR_HINT);
} else {
clks_panic_emit_backtrace(CLKS_NULL, rip, rbp, rsp);
}
clks_panic_snapshot_exception(name, vector, error_code, rip, rbp, rsp);
clks_panic_render_snapshot_console(CLKS_TRUE);
if (clks_panic_qr_prepare() == CLKS_TRUE) {
clks_panic_serial_write_line("[PANIC][QR] READY (PRESS SPACE)");
clks_panic_serial_write_line("[PANIC][QR] READY (PRESS SPACE TO TOGGLE)");
} else {
clks_panic_serial_write_line("[PANIC][QR] NOT AVAILABLE");
}